Caffeine has the following percent composition: carbon 49.48%, hydrogen 5.19%, oxygen 16.48% and nitrogen 28.85%. Its molecular weight is 194.19 g/mol.
Answer:
365 days and five hours
Explanation:
B
22.82M
342.3g/mol is présent in 1000
what about in 15??
( 342.3g/mol × 1000 ) ÷ 15
Answer:yes
